Recently I upgraded from VirtualBox 5.2.30 to VirtualBox 6.0.10 (on Windows 10 host)I have Ubuntu 16.04 and Ubuntu 18.04 virtual machines.After upgrade when I chose to save VM's state (instead of shutting down the guest system) the save progress goes to 100% and then message window with this text appears:

---------------------------VirtualBoxVM.exe - Application Error---------------------------The instruction at 0x00007FFA5B81CB3E referenced memory at 0x0000000000002DD0. The memory could not be read.

Click on OK to terminate the programClick on CANCEL to debug the program---------------------------OK Cancel ---------------------------

After that VM's state in VirtualBox Manger is "aborted".Before upgrade I was able to save VM's state without any issues.Is this known problem? Are there any fixes?

Last edited by socratis on 19. Sep 2019, 15:54, edited 1 time in total.
Reason:Marked as [Fixed].

We need to see a complete VBox.log, from a complete VM run, where the problem occurs:

Start the VM from cold-boot (not from a paused or saved state) / Observe problem / Shutdown the VM (force close it if you have to).

With the VM completely shut down (not paused or saved), right-click on the VM in the VirtualBox Manager and select "Show Log".

Save only the first "VBox.log", ZIP it and attach it to your response. See the "Upload attachment" tab below the reply form.

Do NOT send me Personal Messages (PMs) for troubleshooting, they are simply deleted.Do NOT reply with the "QUOTE" button, please use the "POST REPLY", at the bottom of the form.If you obfuscate any information requested, I will obfuscate my response. These are virtual UUIDs, not real ones.

igorsol,Thank you for the feedback, glad everything is back to normal! Marking as [Fixed].

Do NOT send me Personal Messages (PMs) for troubleshooting, they are simply deleted.Do NOT reply with the "QUOTE" button, please use the "POST REPLY", at the bottom of the form.If you obfuscate any information requested, I will obfuscate my response. These are virtual UUIDs, not real ones.